PS
What code PS means on a LG tumble dryers, what causes it, and which part to check first.
● SEVERITY: HIGH
LG PS means: Power supply failure. The documented cause is: Check the power cord connection at the wall outlet. The L2 leg of 240-volt power could be missing. Check the house circuit breaker that supplies the L2 leg of 240-volt power to the dryer.
What PS means
Power supply failure
The display shows PS and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Check the power cord connection at the wall outlet |
| The L2 leg of 240-volt power could be missing |
| Check the house circuit breaker that supplies the L2 leg of 240-volt power to the dryer |
| Reset the breaker if necessary |
| Unplug the dryer and check the power cord wiring on the dryer terminal block |
| Reconnect any loose power cord connections and wire the power cord according to the directions in the installation manual |
| Replace the power cord if damaged |
| With the dryer still unplugged, check the wiring connections on the main control board and reconnect any loose wires |
| Replace the control board if you find damage |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine before removing any panel. Lint is flammable: never run a dryer with the filter removed, and clear the duct if the code points to airflow.
What to check, in order
From the quickest check to the one that needs a technician.

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Frequently asked questions
What does PS mean on a LG?
Power supply failure The documented cause is: Check the power cord connection at the wall outlet. The L2 leg of 240-volt power could be missing. Check the house circuit breaker that supplies the L2 leg of 240-volt power to the dryer. Reset the breaker if necessary. Unplug the dryer and check the power cord wiring on the dryer terminal block. Reconnect any loose power cord connections and wire the power cord according to the directions in the installation manual. Replace the power cord if damaged. With the dryer still unplugged, check the wiring connections on the main control board and reconnect any loose wires. Replace the control board if you find damage
Can I fix PS myself?
It depends on the part involved: Check the power cord connection at the wall outlet. The L2 leg of 240-volt power could be missing. Check the house circuit breaker that supplies the L2 leg of 240-volt power to the dryer. Reset the breaker if necessary. Unplug the dryer and check the power cord wiring on the dryer terminal block. Reconnect any loose power cord connections and wire the power cord according to the directions in the installation manual. Replace the power cord if damaged. With the dryer still unplugged, check the wiring connections on the main control board and reconnect any loose wires. Replace the control board if you find damage Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does LG use other codes on this appliance?
Yes: we document 9 other codes for LG on this tumble dryers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.

